From f6d7d5f584d7cce906ee81eb8376de5c22fb5377 Mon Sep 17 00:00:00 2001
From: mudrd8mz <mudrd8mz>
Date: Mon, 2 Mar 2009 21:51:25 +0000
Subject: [PATCH] MDL-17492 Do not try to access the first key of an empty
 array in case of no tag exists yet. Merged from 1.9 stable

---
 tag/locallib.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tag/locallib.php b/tag/locallib.php
index 71597baad3..aaa0283ba9 100644
--- a/tag/locallib.php
+++ b/tag/locallib.php
@@ -31,8 +31,10 @@ function tag_print_cloud($nr_of_tags=150, $return=false) {
     }
 
     $tagkeys = array_keys($tagsincloud);
-    $firsttagkey = $tagkeys[0];
-    $maxcount = $tagsincloud[$firsttagkey]->count;
+    if (!empty($tagkeys)) {
+        $firsttagkey = $tagkeys[0];
+        $maxcount = $tagsincloud[$firsttagkey]->count;
+    }
 
     $etags = array();
 
-- 
2.39.5